Three sound waves of equal amplitudes have frequencies `(v - 1), v, (v + 1)`. They superpose to give beats. The number of beats produced per second will be :

Three sound waves of equal amplitudes have frequencies (n-1), n, (n + 1). They superimpose to give beats. The number of beats produced per second will be

Three sound waves of equal amplitude have frequencies (n-1), n, (n + 1). They superimpose to give beats. The number of beats produced per second will be ?

Three sound waves of equal amplitudes have frequencies (n -1) , n and (n+1 . They are superpose to give beats . The number of beats produced per second will be

Three sound waves of equal amplitudes have frequencies (n-1) ,n (n+1) .They superimpose to give beats.The number of beats produced per second will be

Three sound waves of equal amplitudes have frequencies (n-1) ,n (n+1) .They superimpose to give beats.The number of beats produced per second will be